Spoiler for an automobile



FIG. 1 is a front elevation view of a spoiler for an automobile, showing our new design;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a top perspective view thereof; and,

FIG. 6 is a bottom perspective view thereof.

The broken in the drawings is illustrative purposes only and forms no part of the claimed design. 

The ornamental design for, a spoiler for an automobile, as shown and described. 